Merged revisions 221970 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r221970 | tilghman | 2009-10-02 11:58:03 -0500 (Fri, 02 Oct 2009) | 2 lines
  
  Ensure the result of the hash function is positive.  Negative array offsets suck.
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@221971 65c4cc65-6c06-0410-ace0-fbb531ad65f3